Smokeless powder.



rium, thoroughly in a wheel-mill with a-powder 'efficient for some purposes, but

teriorate with age.

' UNITED STATES PATE T OFFlCEZ ED ARD H. om), OF CHICAGO, ILLINOIS, ASSIGNOR To WILLIAM KENT, h on SAME PLACE.

SMOKELESS POWDER.

' SPECIFICATION forming part of Letters Patent no. 675,472, dated tux-1 14, 19 01} Application filed September 28,1900. fierial No. 31,382- ,(No specimens} To all-inherit it may concern.-

Be it known thatjl, EDWARD HENRY FORD, a citizen of the UnitedStates, residing at Chicago, county ofv Cook; vState of Illinois, have invented a new and useful Improvement in The object of my invention is' to provide a smokeless powder for firearms which will impart a high muzzle velocity to the projectile without undue pressure in the gun-barrel at the moment of firing and which will not de- My powder consists of fifty parts of picrate of ammonia and fifty parts of nitrate of ha ground and mixed together the assistance of a small quantity of water. This willlresult in a homogenou's pasty mass, which is then granulated by reducing the pressure of the Wheels and the grains separated by passing it through a sieve, and it is then dried. This produces lacking in durability. In order to give it this; latter property, I add fifteen parts fj-picric 25 acid. This may be added before the process of granulation above described or it may be melted and thoroughly mixed with the granu lated powder. I -.I What I claim, and desireio secureby-Letters Patent, is-' Q R if 1'. Theherein-described powder containing picrate of ammoniaj fand nitrat'e'l'of barium combined in aboutiequaljproportions;sub: stantially asspecified.

2. The herein-described powder containing combined in about" equal proportions, and

about fifteen parts of picric acid to one'hundred'parts of the aforesaid combination, sub-' 40 stantially as specified.

p EDWARD FORD. Witnessesr." l CHARLES J. DR nv n,

' LQUIS V. LnMoY E.

picrate of ammoniafan'd nitrate foffbarium i 

